doc-src/Intro/gate.thy
author haftmann
Wed, 18 Feb 2009 19:18:33 +0100
changeset 29971 68331b62c873
parent 105 216d6ed87399
permissions -rw-r--r--
fixed signature

Gate = FOL +
consts  nand,xor :: "[o,o] => o"
rules   nand_def "nand(P,Q) == ~(P & Q)"
        xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
end